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Finding the Fourth Proportional to 64,853.66, 89,486.57 and 36,559.35

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Solution

The fourth proportional to 64,853.66, 89,486.57 and 36,559.35 is: 50,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.66 : 89,486.57 = 36,559.35 : x
  2. Step 2: Convert to fraction form
    64,853.66/89,486.57 = 36,559.35/x
  3. Step 3: Cross multiply
    64,853.66x = 89,486.57 × 36,559.35
  4. Step 4: Simplify right side
    64,853.66x = 3,271,570,924.33
  5. Step 5: Solve for x
    x = 3,271,570,924.33/64,853.66
  6. Step 6: Final answer
    x = 50,445.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.